Either way, here's how to take some old owncloud 5 data files and get them operational with a new owncloud 6 install on debian jessie:
(From here on out our backups are assumed to be in the directory in the $ocbak variable. Before running these commands just export that to be your actual backup location:
slice@own $ export ocbak='/mnt/ocbak'
Note also that you may be able to omit some of these steps, but this is the way I did it and it worked.
Also note that this guide doesn't cover apache config at all; a standard owncloud config should work fine, and make sure everything under /var/www can be served.)
Installation the first
First you need to find out what old owncloud version you were running. Try running this command if you don't care:slice@own $ wget http://download.owncloud.org/community/owncloud-`cat $ocbak/config/config.php | grep "'version'" | cut -d'=' -f2 | sed "s/.*'\\(.*\\)'.*/\\1/g"`.tar.bz2
That may fail - if so, take a look at the config file to get your version number.
slice@own $ vi $ocbak/config/config.php
Somewhere you'll see a line that looks like this:
'version' => '5.0.14',
Hit google for the download link for that tar file, or just do this:
slice@own $ wget http://download.owncloud.org/community/owncloud-5.0.14a.tar.bz2
slice@own $ tar xjf owncloud-5.0.14a.tar.bz2
slice@own $ mv owncloud /var/www/owncloud-5
slice@own $ cp -rfv $ocbak/* /var/www/owncloud-5
slice@own $ chown -Rc www-data:www-data owncloud-5
Edit the config file (/var/www/owncloud-5/config/config.php) to point to new data dir (/var/www/owncloud-5/data). Then restart apache and log in to the site and make sure everything is good.
slice@own $ /etc/init.d/apache2 restart
Installation the second
Now we basically do the same thing over again with owncloud 6. (Right now this is the latest - in the far future you might want to go to version 6 before going to whatever the current version in your unimaginable future time is.)
slice@own $ wget http://download.owncloud.org/community/owncloud-latest.tar.bz2
slice@own $ tar xjf owncloud-latest.tar.bz2
slice@own $ mv owncloud /var/www/owncloud-6
slice@own $ cp -rfv /var/www/owncloud-5/data /var/www/owncloud-5/config /var/www/owncloud-6/
slice@own $ chown -Rc www-data:www-data owncloud-6
Edit the config file (/var/www/owncloud-6/config/config.php) to point to new data dir (/var/www/owncloud-6/data). Then restart apache and log in to the site and make sure everything is good.
slice@own $ /etc/init.d/apache2 restart
Installation the third (?)
You now have a working owncloud 6 setup, so you could just stop here. However, a little extra work now should make future upgrades as simple as a aptitude update && aptitude upgrade.
Just to make sure some old configs don't get in the way, we'll try to purge owncloud before we install:
slice@own $ aptitude update
slice@own $ aptitude purge owncloud
slice@own $ aptitude install owncloud
slice@own $ cp -fv /var/www/owncloud-6/config/* /etc/owncloud/
slice@own $ cp -rfv /var/www/owncloud-6/data /usr/share/owncloud/
slice@own $ chown -Rc www-data:www-data /usr/share/owncloud/data /etc/owncloud/
slice@own $ rm -rfv owncloud-5.0.14a.tar.bz2 owncloud-latest.tar.bz2 /var/www/owncloud-5 /var/www/owncloud-6
slice@own $ /etc/init.d/apache2 restart
slice@own $ aptitude purge owncloud
slice@own $ aptitude install owncloud
slice@own $ cp -fv /var/www/owncloud-6/config/* /etc/owncloud/
slice@own $ cp -rfv /var/www/owncloud-6/data /usr/share/owncloud/
slice@own $ chown -Rc www-data:www-data /usr/share/owncloud/data /etc/owncloud/
Edit the config file (/etc/owncloud/config.php) to point to new data dir (/usr/share/owncloud/data). Then restart apache and log in to the site and make sure everything is good.
slice@own $ /etc/init.d/apache2 restart
Cleanup
If everything worked ok, we can get rid of the intermediate installations and the tar files:slice@own $ rm -rfv owncloud-5.0.14a.tar.bz2 owncloud-latest.tar.bz2 /var/www/owncloud-5 /var/www/owncloud-6
slice@own $ /etc/init.d/apache2 restart
I'm pretty sure some steps could be skipped - you may be able to skip both manual installations and just drop your old data files in the debian install directories. If you're brave, try it and leave a comment. But this way certainly works.
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